The file "ewm.csv" contains replication data from Erikson, Wright, & McIver's (1993) "Statehouse Democracy" model. Descriptions the variables are as follows:

* The first column is an unnamed index of the states in alphabetical order.

* ideol: Public opinion ideology, percentage liberal minus percentage conservative.

* aveelite: Party elite liberalism.

* pid: Democratic party identification in the public minus Republican identification.

* demstr: Democratic legislative strength.

* legideol: State legislative libralism.

* policyli: Policy liberalism for the state, determined across a basket of policy areas.

* state: Two-letter postal abbreviation of the state's name.

* ideol.2: Standardized version of "ideol" with mean set to 0 and standard deviation to 1.

* aveelite.2: Standardized version of "aveelite" with mean set to 0 and standard deviation to 1.

* pid.2: Standardized version of "pid" with mean set to 0 and standard deviation to 1.

* demstr.2: Standardized version of "demstr" with mean set to 0 and standard deviation to 1.

* legideol.2: Standardized version of "legideol" with mean set to 0 and standard deviation to 1.

* policyli.2: Standardized version of "policyli" with mean set to 0 and standard deviation to 1.
